There is a binary tree, as shown in the figure:
[I am the picture]
Among them, the numbers in the circle represent the population of the residents in the node.Numbers on the rim represent node numbers. A hospital is now required on a node to minimize the sum of all residents'journeys, and it is agreed that the distan ...
Posted by dan7474 on Mon, 20 Jul 2020 08:11:24 -0700
After some time of research, freemarker really works better than jsp, and freemarker strictly divides the mvc pattern.Show on the page as a template filler.The following describes the use and configuration of freemarker that I experienced. Configuration tags are good for maintaining and expanding the project.
Create a freemarker configuratio ...
Posted by FrankHarley on Mon, 20 Jul 2020 08:38:52 -0700
I. Build projects and install plug-ins
# Install vue-cli
npm install vue-cli -g
# Initialize project
vue init webpack china-map
# Cut into Catalog
# Installation Project Dependency
# Install vuex
npm install vuex --save
# Install axios
npm install axios --save
# Install ECharts
npm install echarts --save
II. Pr ...
Posted by jimmyborofan on Mon, 20 Jul 2020 08:30:08 -0700
vue directive binding properties
vue binds attributes by directive v-bind, src/width/height/title, such as v-bind:src='''can be abbreviated as: src=''', the same v-Bind:widthWait a moment, abbreviated as width,:height
<img v-bind:sr ...
Posted by email@example.com on Mon, 20 Jul 2020 09:12:34 -0700
Within a thread, thread private data can be accessed by individual functions, but it is blocked from other threads.
When using thread data, first create an associated key for each thread's data.Within each thread, this common key is used to refer to thread data, but in different threads, the data represented by this key is different.That is, o ...
Posted by madspoihur on Sun, 19 Jul 2020 08:18:02 -0700